ORPC Logging Plugin

logger.ts

import { Context, ORPCError } from "@orpc/server";
import type {
	StandardHandlerOptions,
	StandardHandlerPlugin,
} from "@orpc/server/standard";

function formatNow() {
	return new Date().toLocaleDateString("en-US", {
		month: "short",
		day: "numeric",
		year: "numeric",
		hour: "numeric",
		minute: "2-digit",
		hour12: true,
	});
}

export class LoggingPlugin<T extends Context>
	implements StandardHandlerPlugin<T>
{
	init(options: StandardHandlerOptions<T>): void {
		options.rootInterceptors ??= [];

		options.rootInterceptors.push(async (interceptorOptions) => {
			const start = Date.now();
			const { request } = interceptorOptions;
			const { method, url } = request;
			const path = url.pathname;

			try {
				const result = await interceptorOptions.next();
				const status = result.response?.status;
				const duration = Date.now() - start;

				console.log(
					`${formatNow()} | ${method} ${path} | ${status} | ${duration}ms`,
				);

				return result;
			} catch (error) {
				const duration = Date.now() - start;
				const status =
					error instanceof ORPCError
						? error.code === "UNAUTHORIZED"
							? 401
							: error.code === "BAD_REQUEST"
								? 400
								: error.code === "NOT_FOUND"
									? 404
									: 500
						: 500;

				console.error(error);
				console.log(
					`${formatNow()} | ${method} ${path} | ${status} | ${duration}ms`,
				);

				throw error;
			}
		});
	}
}